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Research on Automatic Testing Method of AMT Fault Diagnosis
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Ziyuan Xiong, Xu Pan, Suqi Li, Qiong Lü, Xin Zhang, Shuangping Liu
Automotive Engineer | 2024, (12) : 41 - 45
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Automotive Engineer | 2024, (12): 41-45
Research on Automatic Testing Method of AMT Fault Diagnosis
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Ziyuan Xiong, Xu Pan, Suqi Li, Qiong Lü, Xin Zhang, Shuangping Liu
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  • Dongfeng Commercial Vehicle Tech-Center, Wuhan 430056
Published: 2024-12-15 doi: 10.20104/j.cnki.1674-6546.20240295
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In order to realize automatic test and effectiveness verification of Automatic Mechanical Transmission (AMT), an automatic testing sequence is constructed based on the Hardware-in-the-Loop (HiL) testing system and automated testing software for the low gear shifting stuck fault of AMT front auxiliary gearbox. The fault diagnosis response is tested, and the test results show that the fault diagnosis response meets expectations, verifying the accuracy of the test sequence and fault diagnosis. Based on the test sequence, the normal gear shifting at high speed, gear shifting without fault and the low gear shifting of the front auxiliary gearbox under fault response are established. Test results show that the Transmission Control Unit (TCU) recognizes and responds in time when the front auxiliary gearbox low gear shift stuck fault occurs. The response is in line with expectations, and it also can keep the vehicle running normally under the fault diagnosis response, which verifies the effectiveness of the fault diagnosis response.

Automatic Mechanical Transmission (AMT)  /  Transmission Control Unit (TCU)  /  Fault diagnosis test  /  Fault diagnosis performance  /  Hardware-in-the-Loop (HiL)  /  Shifting stuck
Ziyuan Xiong, Xu Pan, Suqi Li, Qiong Lü, Xin Zhang, Shuangping Liu. Research on Automatic Testing Method of AMT Fault Diagnosis[J]. Automotive Engineer, 2024 , (12) : 41 -45 . DOI: 10.20104/j.cnki.1674-6546.20240295
Year 2024 volume Issue 12
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doi: 10.20104/j.cnki.1674-6546.20240295
  • Online Date:2025-11-25
  • Published:2024-12-15
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  • Revised:2024-07-05
Affiliations
    Dongfeng Commercial Vehicle Tech-Center, Wuhan 430056
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表12种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
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Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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